Dogs, cats were domesticated by humans for 3500 years

As early as 15000 years ago, the ancients began to domesticate dogs, cats were domesticated by humans for 3500 years, and goldfish originating in China were raised at least 1500 years ago. In recent years, with the continuous improvement of people's living standards, people have not only raised dogs, cats, birds, rabbits, fish and other pets, but also raised guinea pigs, lizards, snakes and other wild animals as pets. In the past, people kept dogs mainly to ensure safety and to guard homes; The main purpose of raising cats is to eliminate rat damage and protect food. Today, keeping pets can serve as partners to enrich life.